log2=0,3010, log3=0,4771, log5=0,6990. nilai dari log 150

jawab

log 150 = log (2 x 3 x 5²)
= log 2 + log 3 + 2 log 5
= 0,3010 + 0,4771 + 2(0,6990)
= 2,1761